Container cap



FIG. 1 is a top, back, and right side perspective view of a container cap showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a back elevational view thereof; and,

FIG. 6 is a top plan view thereof.

The broken lines in the drawings are environmental and for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a container cap, as shown and described. 